CN214063695U - Gear rack tensioning mechanism - Google Patents
Gear rack tensioning mechanism Download PDFInfo
- Publication number
- CN214063695U CN214063695U CN202022272088.6U CN202022272088U CN214063695U CN 214063695 U CN214063695 U CN 214063695U CN 202022272088 U CN202022272088 U CN 202022272088U CN 214063695 U CN214063695 U CN 214063695U
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- China
- Prior art keywords
- bolt
- rack
- bracket
- tensioning mechanism
- rises
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 210000001503 Joints Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rack and pinion rises and tightly constructs belongs to car auxiliary assembly technical field, including support, rack, action wheel, bolt, gear, tight pulley and bearing that rises, on the support was located to the rack, the action wheel was connected with the leg joint, and the bolt runs through the support, and the bolt is operable and support fixed connection, and on the bolt was located to the gear, wheel and rack meshing, tight pulley and bolt rotation were connected that rises, and tight pulley passes through the belt and is connected with the action wheel transmission, and the bearing pressure equipment is in tight pulley that rises, and the bearing housing is established on the axle sleeve. The utility model discloses the bolt that sets up can be at logical inslot activity, and the elasticity back of adjusting belt through the cooperation of bolt and nut, will rise tight pulley and support locking, accomplishes the regulation of belt, and simple structure, convenient operation solve the tight problem that rises of space position about the belt effectively.
Description
Technical Field
The utility model relates to an automobile auxiliary assembly technical field especially relates to a rack and pinion rises and tightly constructs.
Background
The tight mechanism that rises of traditional belt feeder all is provided with two tight pulleys that rise and connects the connection belt of two tight pulleys that rise, and one of them tight pulley that rises is through removing in order to adjust the stroke between two tight pulleys that rise, the tight degree that rises of control belt, but the complicated occupation space of structure is great, and it is also inconvenient that equipment breaks down when maintenance.
Disclosure of Invention
Aiming at the problem that the existing tensioning mechanism occupies a large space, the gear and rack tensioning mechanism which is compact in structure and occupies a small space is provided.
The specific technical scheme is as follows,
a rack and pinion tensioning mechanism comprising:
the rack is arranged on the bracket;
the driving wheel is rotatably connected with the bracket;
a bolt extending through the bracket and operatively fixedly connected to the bracket;
the gear is arranged on the bolt and meshed with the rack;
the tensioning wheel is rotationally connected with the bolt and is in transmission connection with the driving wheel through a belt.
The gear rack tensioning mechanism further comprises a shaft sleeve, and the shaft sleeve is sleeved on the bolt.
The gear rack tensioning mechanism further comprises a bearing, the bearing is sleeved on the shaft sleeve, and the tensioning wheel is rotatably connected with the shaft sleeve through the bearing.
The central axis of the driving wheel is parallel to the central axis of the tension wheel.
The rack and pinion tensioning mechanism is characterized in that the rack and the bracket are cast.
The rack and pinion tensioning mechanism is characterized in that the rack and the pinion tensioning mechanism are welded to the support.
The rack and pinion tensioning mechanism is characterized in that the support is provided with a through groove, and the bolt penetrates through the through groove and is fixedly connected with the support in a locking manner.
The gear rack tensioning mechanism is characterized in that the through groove is a rectangular through groove.
The rack and pinion tensioning mechanism is characterized in that the bracket is also provided with a plurality of mounting holes.
In the gear rack tensioning mechanism, the driving wheel and the tensioning wheel are both positioned on the same side of the support.
Compared with the prior art, the technical scheme has the positive effects that:
the utility model discloses the bolt that sets up can be at logical inslot activity, and the elasticity back of adjusting belt through the cooperation of bolt and nut, will rise tight pulley and support locking, accomplishes the regulation of belt, and simple structure, convenient operation solve the tight problem that rises of space position about the belt effectively.
Drawings
Fig. 1 is a front view of a rack and pinion tensioning mechanism of the present invention;
fig. 2 is a side view of a rack and pinion tensioning mechanism of the present invention;
fig. 3 is a schematic view of a bracket of the rack and pinion tensioning mechanism of the present invention.
In the drawings: 1. a support; 2. a belt; 3. a rack; 4. a bolt; 5. a shaft sleeve; 6. a bearing; 7. a tension wheel; 8. a gear; 9. a nut; 10. mounting holes; 11. a driving wheel; 12. a through groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is the utility model relates to a rack and pinion rises and tightly constructs the elevation view, fig. 2 is the utility model relates to a rack and pinion rises and tightly constructs the side view of mechanism, fig. 3 is the utility model relates to a rack and pinion rises and tightly constructs the schematic diagram of the support of mechanism, please refer to fig. 1 to 3 and show, a rack and pinion rises and tightly constructs, it includes support 1, rack 3, action wheel 11, bolt 4, gear 8 and tight pulley 7 that rises, rack 3 is located on support 1, action wheel 11 rotates with support 1 to be connected, bolt 4 runs through support 1, and bolt 4 is operable and support 1 fixed connection, on bolt 4 is located to gear 8, gear 8 and rack 3 meshing, tight pulley 7 rotates with bolt 4 to be connected, tight pulley 7 passes through the belt 2 and is connected with action wheel 11 transmission.
Further, as a preferred embodiment, a gear rack tensioning mechanism further comprises a shaft sleeve 5, and the shaft sleeve 5 is sleeved on the bolt 4.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, please continue to refer to fig. 1 to fig. 3, which further includes a bearing 6, the bearing 6 is sleeved on the shaft sleeve 5, and the tension pulley 7 is rotatably connected with the shaft sleeve 5 through the bearing 6.
Further, as a preferred embodiment, the central axis of the driving wheel 11 is parallel to the central axis of the tension wheel 7.
Further, as a preferred embodiment, the rack 3 is cast with the bracket 1.
Further, as a preferred embodiment, the rack 3 is welded to the bracket 1.
Further, as a preferred embodiment, a through groove 12 is arranged on the bracket 1, the bolt 4 penetrates through the through groove 12 and is fixedly connected with the bracket 1 in a locking manner, one end of the bolt 4 sequentially penetrates through the through groove 12 and the gear 8 and is locked through the nut 9, and therefore the bolt 4 is fixedly connected with the bracket 1 in the locking manner.
Further, as a preferred embodiment, the length direction of the through slot 12 is consistent with the length direction of the rack 3, and the convex teeth of the rack 3 face the opening of the through slot 12.
Preferably, the through-slots 12 are rectangular through-slots.
Preferably, the bolt 4 is a "T" bolt.
Further, as a preferred embodiment, the bracket 1 is further provided with a plurality of mounting holes 10.
Further, as a preferred embodiment, the driving wheel 11 and the tension wheel 7 are located on the same side of the bracket 1.
Preferably, the gear 8 is connected to the sleeve 5 by means of a key.
Preferably, the driving wheel 11 and the tension wheel 7 are respectively in transmission connection with two sides of the belt 2, so that the tension effect is better.
Preferably, the rack 3 is located between the through slot 12 and the driving wheel 11.
Preferably, the radius of the tension wheel 7 is smaller than that of the driving wheel 11.
The utility model discloses a working process: when the belt 2 between the driving wheel 11 and the tension wheel 7 is loosened and needs to be tensioned, the nut 9 is unscrewed, the driving device is started, the gear 8 is meshed with the rack 3, the tension wheel 7 moves left and right along the through groove, tensioning of the belt 2 is achieved, finally, the nut 9 is screwed, and the bolt 4 is locked and fixed on the support 1.
The utility model discloses the bolt that sets up can be at logical inslot 12 internalization, behind the elasticity of adjusting belt 2, through the cooperation of bolt 4 and nut 9, will rise tight pulley 7 and support 1 locking, accomplishes the regulation of belt 2, has simple structure, convenient operation's advantage, solves the tight problem that rises of belt 2 upper and lower spatial position effectively.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a rack and pinion tension mechanism which characterized in that includes:
the rack is arranged on the bracket;
the driving wheel is rotatably connected with the bracket;
a bolt extending through the bracket and operatively fixedly connected to the bracket;
the gear is arranged on the bolt and meshed with the rack;
the tensioning wheel is rotationally connected with the bolt and is in transmission connection with the driving wheel through a belt.
2. The gear rack tensioning mechanism according to claim 1, further comprising a shaft sleeve, wherein the shaft sleeve is sleeved on the bolt.
3. The gear rack tensioning mechanism according to claim 2, further comprising a bearing, wherein the bearing is sleeved on the shaft sleeve, and the tensioning wheel is rotatably connected with the shaft sleeve through the bearing.
4. The gear rack tensioning mechanism according to claim 1, wherein the central axis of the driving wheel is parallel to the central axis of the tensioning wheel.
5. The gear rack tensioning mechanism according to claim 1, wherein the rack is cast with the bracket.
6. The gear rack tensioning mechanism according to claim 1, wherein the rack is welded to the bracket.
7. The gear rack tensioning mechanism according to claim 1, wherein the bracket is provided with a through groove, and the bolt penetrates through the through groove and is fixedly connected with the bracket in a locking manner.
8. The gear rack tensioning mechanism according to claim 7, wherein the through groove is a rectangular through groove.
9. The gear rack tensioning mechanism according to claim 1, wherein the bracket is further provided with a plurality of mounting holes.
10. The gear rack tensioning mechanism according to claim 1, wherein the driving wheel and the tensioning wheel are both located on the same side of the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022272088.6U CN214063695U (en) | 2020-10-13 | 2020-10-13 | Gear rack tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022272088.6U CN214063695U (en) | 2020-10-13 | 2020-10-13 | Gear rack tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214063695U true CN214063695U (en) | 2021-08-27 |
Family
ID=77396338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022272088.6U Active CN214063695U (en) | 2020-10-13 | 2020-10-13 | Gear rack tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214063695U (en) |
-
2020
- 2020-10-13 CN CN202022272088.6U patent/CN214063695U/en active Active
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